A keyboard includes: a recessed portion formed along a rear edge and open from a rear surface to a bottom surface; and a magnet located at a recessed portion top surface. A stand includes: a frame body that abuts a rear surface of an electronic apparatus; a plate connected to part of the frame body via a torque hinge, and having a distal edge abutting a placement surface in a state of being open relative to a frame surface of the frame body; a band portion connected to a long-side frame of the frame body along the long-side frame, and having a width that allows side surfaces of the electronic apparatus to be supported; and a bar of an iron material located along a distal edge of the band portion.